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25 Inch #80A Blue Color Filter improves the contrast of Jupiter and Saturn
The XL handle works with any existing JMI tow handle assembly — whether your bar has 1/2″ or 5/8″ leveling screws
You want to shift the clamshell's position to balance your rig
90″ (214–226 mm)
Explore Far-Sight options and parallelogram mounts for steady
JMI EV3-C Standard Event Horizon Telescope Focuser - Cassegrain solar-filter 25 Inch #80A Blue ColorCNC Machined in the USA Event Horizon EV3 Standard Crayford Focuser, Cassegrain Base The straightforward, no frills way into true zero backlash focusing. A single speed friction drive Crayford with a compression ring threads onto the rear of your SCT for smooth, shift free fine focus. A masterpiece of engineering and workmanship, the EV3 is a low profile, friction drive Crayford focuser for the discriminating astronomer. The Crayford design presses a
US$ 32.65
US$ 119.00
